422505219 has 4 divisors (see below), whose sum is σ = 563340296. Its totient is φ = 281670144.

The previous prime is 422505113. The next prime is 422505221. The reversal of 422505219 is 912505224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 422505219 - 2⁷ = 422505091 is a prime.

It is a super-2 number, since 2×422505219² = 357021320164475922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422505269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70417534 + ... + 70417539.

It is an arithmetic number, because the mean of its divisors is an integer number (140835074).

Almost surely, 2^422505219 is an apocalyptic number.

422505219 is a deficient number, since it is larger than the sum of its proper divisors (140835077).

422505219 is a wasteful number, since it uses less digits than its factorization.

422505219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140835076.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 422505219 is about 20554.9317439879. The cubic root of 422505219 is about 750.3732772990.

The spelling of 422505219 in words is "four hundred twenty-two million, five hundred five thousand, two hundred nineteen".